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# Surface area and Volume of Twin Towers and Eiffel Tower

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This powerpoint shows the volume and TSA od 1 tower (the eiffel tower) and a structure (twin towers). It also shows how to calculate

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### Surface area and Volume of Twin Towers and Eiffel Tower

1. 1. The Eiffel Tower<br />By: Maria Teixeira Duarte<br />
2. 2. Where is the Eiffel Tower found?<br />The original Eiffel Tower is located in Paris (France), since it’s so appriciated they have made replicas all around the world, including China, USA and many more, the replicas are usually in a different scale, colours etc..<br />
3. 3. When was it built?<br />They started building the Eiffel Tower in 1887 and finshed in 1889.<br />
4. 4. Who built it?<br />The main person that built the Eiffel Tower was Gustave Eiffel but obviously in it’s production were many other people were involved.<br />
5. 5. What is it’s function?<br />The Eiffel Tower is used as a place to see Paris from a good veiw, monument, raise money and is now an attraction for torrists.<br />
6. 6. Surface Area<br />
7. 7. Faces<br />The Eiffel tower has 4 Trianguler faces (Face a,b,c and d), we need to find the the area of one and then times it by 4.<br />We then need to calculate the base (Face e), since it’s a square we need to times the base of Face a and times it by it’s self.<br />
8. 8. Faces ‘c’ and ‘d’<br />Face ‘a’<br />Face ‘b’<br />Face ‘e’<br />
9. 9. To find the surface of a triangle we have to do bxh2=324mx100.584m2=16,294.608m<br /> <br />Calculating Face ‘a’<br />324m<br />100.584m<br />
10. 10. Calculating Face ‘e’:<br />To find the surface area of a square wehave to do WxH, since a square has equal sides we just have to times a side by it’s self which equals 100.584mx100.584m= 10,117.14106m²<br />100.584m<br />
11. 11. Adding all the faces together<br />Since face a is equal to faces b,c and d we need to times face ‘a’x4=65178.43m²<br />Now we need to add faces ‘a’,’b’,’c’,’d’ and ‘e’ together<br />TSA=65178.43m²+10,117.14106m²=75295.57106m²<br />
12. 12. Volume<br />To find the total volume we have to do the area of the base time the height dvided by 2 which is 324x10,117.14106m²/2=1638976.852m³<br />
13. 13. The Twin Towers<br />By Maria Teixeira Duarte<br />
14. 14. Where is the Twin Towers found?<br />The Twin Towers were found in New York, USA. They suffered an accident september of 2000.<br />
15. 15. The constructed started on 1968 and was completed on 1970<br />When was it built?<br />
16. 16. Who built it?<br />Owner: Port Authority of New York & New Jersey<br />Archotect: Minoru Yamasaki & Emery Roth & Sons<br />Engineer: Leslie E. Robertson Associates<br />
17. 17. Surface Area<br />
18. 18. Faces<br />Face ‘e’<br />The Twin Towrs were a cuboid, this means they had 6 faces. ‘a’, ‘b’, ‘c’ and ‘d’ anr the same and ‘e’ and ‘f’ are also the same.<br />Face ‘a’<br />
19. 19. Calculating face ‘a’:<br />Surface area of face ‘a’ = WxH=64mx415m=26560m²<br />415m<br />Face ‘a’<br />64m<br />
20. 20. Calculating face ‘e’:<br />64m<br />To find the surface area if a square we need to times one of it’s sides by itself. In this case 64mx64m= 4096m²<br />
21. 21. Finding the TSA<br />Adding all the faces<br />Face ‘a’ times 4= 16384m²<br />Face ‘e’ times 2=53120m²<br />So these two together = 69504m²<br />
22. 22. Volume<br />To find the volume we have to calculate the LxWxD=64mx64mx415m=1699840m³<br />
23. 23. I hope you enjoyed!!! Thankyou<br />"Answers.com - How many eiffel towers in the world." WikiAnswers - The Q&A wiki. N.p., n.d. Web. 30 May 2011. <http://wiki.answers.com/Q/How_many_eiffel_towers_in_the_world>.<br />"Eiffel Tower - Why Was the Eiffel Tower Built?." EzineArticles Submission - Submit Your Best Quality Original Articles For Massive Exposure, Ezine Publishers Get 25 Free Article Reprints. N.p., n.d. Web. 9 June 2011. <http://ezinearticles.com/?Eiffel-Tower---Why-Was-the-Eiffel-Tower-Built?&id=1434326>.<br />"Pictures of Eiffel Tower black and white | Eiffel Tower | Pictures of Paris, France | Free Paris photos." City Photos Black & white, color free photos of cities: Paris France, Istanbul Turkey, Amsterdam Netherlands. N.p., n.d. Web. 30 May 2011. <http://www.world-city-photos.org/Paris/photos/Eiffel_Tower/Pictures_of_Eiffel_Tower_black_and_white/>.<br />"Resultados da pesquisa de http://www.travel247.ie/images/cities/Kuala_Lumpur_Petronas_Towers-full.jpg no Google." Google. N.p., n.d. Web. 3 June 2011. <http://www.google.pt/imgres?imgurl=http://www.travel247.ie/images/cities/Kuala_Lumpur_Petronas_Towers-full.jpg&imgrefurl=http://truthmarche.wordpress.com/2010/10/25/church-finance-part-iv/&usg=__h-7wUBqgKkIDQr6yOXxDfYaGrDg=&h=768&w=1024&sz=171&hl=pt-PT&st>.<br />"What is the length and width of the twin towers? - Yahoo! Answers." Yahoo! Answers - Home. N.p., n.d. Web. 3 June 2011. <http://answers.yahoo.com/question/index?qid=20110205121059AAQ2B04>.<br />rne, Robert (September 19, 1995). "Kasparov Gets Pressure, and but No Victory". "World Trade Center - Wikipedia, the free encyclopedia." Wikipedia, the free encyclopedia. N.p., n.d. Web. 3 June 2011. <http://en.wikipedia.org/wiki/World_Trade_Center>.<br />